Final answer:
The nurse should inform the client that ibuprofen could cause gastrointestinal discomfort when used for uterine cramping.
Step-by-step explanation:
The nurse should include the statement: "This medication could cause gastrointestinal discomfort." in the teaching. Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that can cause gastrointestinal side effects such as stomach pain, heartburn, and nausea. The nurse should educate the client about the potential gastrointestinal discomfort that may be experienced while taking ibuprofen for uterine cramping.